Tomatoes: easily react with gastric acid and condense into insoluble lumps, which can block the outlet of the stomach, increase the pressure in the stomach and cause abdominal distension and pain.
Persimmon: contains persimmon gum, pectin, tannic acid and ellagic acid. When the stomach is empty, it encounters strong gastric acid, which is easy to combine with gastric acid and solidify into an insoluble mass, which is easy to cause "stomach persimmon stone".
Banana: It contains a lot of magnesium. Eating a lot of bananas on an empty stomach will suddenly increase the magnesium content in the blood and inhibit the cardiovascular system.
Oranges: Oranges contain a lot of sugar and organic acids. Eating oranges on an empty stomach will stimulate the gastric mucosa.
Hawthorn: The sour taste of hawthorn has the function of promoting qi circulation and promoting digestion, but if you eat it on an empty stomach, it will not only consume gas, but also increase hunger and aggravate stomach problems.
Sugarcane and fresh lychee: Don't eat too much sugar cane or fresh lychee on an empty stomach, or you will have a "hyperosmotic coma" due to the sudden infiltration of too high sugar.